Monthly Archives: January 2015

Special Update (Tuesday, January 27 at 12:11 am EST): At midnight, snowfall rates in excess of 2 inches per hour were moving west toward New York City. This band has been showing a decrease in intensity over the past couple of hours as the storm intensifies offshore and both the atmospheric energy and mesoscale forcing contract […]

The National Weather Service has sole responsibility for issuing weather watches and warnings. When it comes to winter weather, there are numerous advisory types ranging from Wind Chill Advisories to Ice Storm and Blizzard Warnings. This page is devoted to the four main winter weather products: Winter Storm Watches, Winter Storm Warnings, Winter Weather Advisories, […]

(Forecast Posted Tuesday 1/20/15) …Widespread heavy rain & possible winter weather event for North Texas… In my forecast yesterday (Monday), I noted that Thursday’s high temperature would occur at midnight (40s) then fall into the mid 30s for the daytime. This continues to be a very difficult forecast, because there isn’t a preexisting cold airmass […]

The Weather Bureau, now known as the National Weather Service, was established on February 9, 1870 by the 41st United States Congress and signed by President Ulysses S. Grant. On March 29, 1870, the new weather forecasting service was officially assigned to the U.S. Army Signal Service within the Department of War and given the […]

I’ve been posting updates about this airmass on my Facebook and Twitter pages, but I thought I’d go ahead and write a short discussion about this airmass. It has the potential to be the coldest air we’ve seen in a year or so, at least when measured by the low temperatures Wednesday night/Thursday morning. Precipitation […]

Special Update (Wednesday, January 7 at 8 pm EST) Temperatures are already falling into the teens in the western and northern suburbs. Current temperatures are a couple of degrees colder at this hour than model guidance had indicated. Dew points (a measure of atmospheric moisture) continue to drop, and temperatures tonight should certainly be on […]